After his rival from the Gulf Cartel, Osiel Cardenas, was caught in 2003, El Chapo became the most powerful drug lord in the country.

Source: https://thecurrent-online.com/celebrity/where-is-el-chapo-right-now/43811/

Five alleged Gulf Cartel members have since been charged with aggravated kidnapping and murder.

Source: https://www.1310kfka.com/abc-news/u-s-news/03/3-women-missing-for-2-weeks-after-traveling-from-texas-to-mexico/

Hernandez Quiroga was arrested in 2010 as a team leader with the Tamaulipas State Ministerial Police after stalking federal policemen on behalf of the Gulf Cartel, reported the group was preparing to carry out a kidnapping.

Source: https://www.breitbart.com/border/2023/03/13/exclusive-kidnapping-of-4-americans-in-mexico-draws-questions-about-gulf-cartels-potential-control-of-ambulances/